<div class="main-nav">
    <div class="main-nav-image-container">
        <div class="main-nav-image">
            <img src="../../static/images/picture/login/login-ico.svg" class="main-nav-image-img" width="100%" height="100%">
        </div>
        <div class="main-nav-extra">
            <i class="fa fa-bell fa-1g"></i>
        </div>
    </div>
</div>